/// <summary>
/// 创建音频采集类事例
/// </summary>
/// <param name="wfx">采集音频使用的格式类型，注意：某些音频格式不支持采集</param>
/// <param name="writer">写入的流对象</param>
/// <returns>失败返回null</returns>
public static AudioRecorder Create(WaveFormat wfx, BinaryWriter writer)
{
if (writer == null)
{
return(null);
}
MemoryStream wfxbs = new MemoryStream();
wfx.Serialize(new BinaryWriter(wfxbs));
AudioRecorder recoder = new AudioRecorder();
recoder._writer = writer;
recoder._callback = new ReadyCallBack(recoder.CallBackProc);
int result = OpenRecorder(ref recoder._hd, wfxbs.GetBuffer(), recoder._callback);
if (result != 0)
{
return(null);
}
return(recoder);
}
/// <summary>
/// 创建音频采集类事例
/// </summary>
/// <param name="wfx">采集音频使用的格式类型，注意：某些音频格式不支持采集</param>
/// <param name="callback">采集到数据后的回调函数</param>
/// <param name="errcode">错误码</param>
/// <returns></returns>
public static AudioRecorder Create(WaveFormat wfx, ReadyCallBack callback, ref int errcode)
{
MemoryStream wfxbs = new MemoryStream();
wfx.Serialize(new BinaryWriter(wfxbs));
AudioRecorder recoder = new AudioRecorder();
recoder._callback = callback;
errcode = OpenRecorder(ref recoder._hd, wfxbs.GetBuffer(), recoder._callback);
if (errcode != 0)
{
return(null);
}
return(recoder);
}